156425090 has 8 divisors (see below), whose sum is σ = 281565180. Its totient is φ = 62570032.

The previous prime is 156425089. The next prime is 156425123. The reversal of 156425090 is 90524651.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 141300769 + 15124321 = 11887^2 + 3889^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7821245 + ... + 7821264.

Almost surely, 2^156425090 is an apocalyptic number.

156425090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

156425090 is a deficient number, since it is larger than the sum of its proper divisors (125140090).

156425090 is a wasteful number, since it uses less digits than its factorization.

156425090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15642516.

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 156425090 is about 12507.0016390820. The cubic root of 156425090 is about 538.8097813913.

The spelling of 156425090 in words is "one hundred fifty-six million, four hundred twenty-five thousand, ninety".